package com.yzd.learnjava.holding;

import java.util.LinkedList;
import java.util.concurrent.BlockingDeque;
/*
 * ջ
 */
public class Stack<T> {
	private LinkedList<T> storage = new LinkedList<T>();
	public void push(T v) {storage.addFirst(v);}
	public T peek() {
		return storage.getFirst();
	}
	public T pop() {
		return storage.pollFirst();
	}
	
	public boolean isEmpty() {return storage.isEmpty();}
	
	public String toString() {
		return storage.toString();
	}
}
